const IMAGE_REGEXP = /\.(jpeg|jpg|gif|png|svg|webp|jfif|bmp|dpg)/i;
function isImageUrl(url) {
    return IMAGE_REGEXP.test(url);
}
export function isImageFile(item) {
    if (item.type) {
        return item.type.indexOf('image') === 0;
    }
    if (item.path) {
        return isImageUrl(item.path);
    }
    if (item.url) {
        return isImageUrl(item.url);
    }
    return false;
}
export function isVideo(res, accept) {
    return accept === 'video';
}
export function chooseFile({ accept, multiple, capture, compressed, maxDuration, sizeType, camera, maxCount, }) {
    switch (accept) {
        case 'image':
            return new Promise((resolve, reject) => {
                wx.chooseImage({
                    count: multiple ? Math.min(maxCount, 9) : 1,
                    sourceType: capture,
                    sizeType,
                    success: resolve,
                    fail: reject,
                });
            });
        case 'media':
            return new Promise((resolve, reject) => {
                wx.chooseMedia({
                    count: multiple ? Math.min(maxCount, 9) : 1,
                    sourceType: capture,
                    maxDuration,
                    sizeType,
                    camera,
                    success: resolve,
                    fail: reject,
                });
            });
        case 'video':
            return new Promise((resolve, reject) => {
                wx.chooseVideo({
                    sourceType: capture,
                    compressed,
                    maxDuration,
                    camera,
                    success: resolve,
                    fail: reject,
                });
            });
        default:
            return new Promise((resolve, reject) => {
                wx.chooseMessageFile({
                    count: multiple ? maxCount : 1,
                    type: 'file',
                    success: resolve,
                    fail: reject,
                });
            });
    }
}
export function isFunction(val) {
    return typeof val === 'function';
}
export function isObject(val) {
    return val !== null && typeof val === 'object';
}
export function isPromise(val) {
    return isObject(val) && isFunction(val.then) && isFunction(val.catch);
}
